kayos akyos kyaos ykaos aykos yakos kaoys akoys koays okays aokys oakys kyoas ykoas koyas okyas yokas oykas ayoks yaoks aoyks oayks yoaks oyaks kayso akyso kyaso ykaso aykso yakso kasyo aksyo ksayo skayo askyo sakyo kysao yksao ksyao skyao yskao sykao aysko yasko asyko sayko ysako syako kaosy akosy koasy okasy aoksy oaksy kasoy aksoy ksaoy skaoy askoy sakoy kosay oksay ksoay skoay oskay sokay aosky oasky asoky saoky osaky soaky kyosa ykosa koysa okysa yoksa oyksa kysoa yksoa ksyoa skyoa yskoa sykoa kosya oksya ksoya skoya oskya sokya yoska oyska ysoka syoka osyka soyka ayosk yaosk aoysk oaysk yoask oyask aysok yasok asyok sayok ysaok syaok aosyk oasyk asoyk saoyk osayk soayk yosak oysak ysoak syoak osyak soyak
Note: these 'words' (valid or invalid) are all the permutations of the word kayos. These words are obtained by scrambling the letters in kayos.